Finding the Fourth Proportional to 3,259,701.86, 4,498,163.46 and 1,809,283.15
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Solution
The fourth proportional to 3,259,701.86, 4,498,163.46 and 1,809,283.15 is: 2,496,685.80
Step by Step Solution
- Step 1: Write the proportion equation
3,259,701.86 : 4,498,163.46 = 1,809,283.15 : x - Step 2: Convert to fraction form
3,259,701.86/4,498,163.46 = 1,809,283.15/x - Step 3: Cross multiply
3,259,701.86x = 4,498,163.46 × 1,809,283.15 - Step 4: Simplify right side
3,259,701.86x = 8,138,451,354,123.70 - Step 5: Solve for x
x = 8,138,451,354,123.70/3,259,701.86 - Step 6: Final answer
x = 2,496,685.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.